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cbr

3,404 karma · joined July 1, 2009

http://www.jefftk.com
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cbr··on California Announces Restrictions on Water Use by Farmers
We currently have a 2 tier system the other way. Municipal water is far more expensive than agricultural water. [1] We don't need tiers: personal water use is so small in comparison that it remains affordable even at rates that would make most farming impractical.

[1] http://www.bloomberg.com/news/articles/2014-07-24/california... described prices at $1,100 per acre-foot, but that's just $0.003/gal

cbr··on California Announces Restrictions on Water Use by Farmers
Unfortunately this does nothing to address groundwater depletion; it's just about how much water people are allowed to draw from rivers. With groundwater we have a dollar auction / arms race where the people with the deepest wells get the water, which is a terrible way to allocate water. If you want the system of private wells that sustain rural communities to keep functioning you have to restrict wells.
cbr··on I quit the tech industry
> As an American I'd still have to pay American income taxes.

And as an American you would still receive the support of the US government in case of war or other disasters.

cbr··on HTML is done
As long as there are very common things that you can only do with JavaScript, HTML is not done. With declarative syntax the browser can be so much faster.
cbr··on GiveDirectly Gives Poor People a Year's Income
Reading the interview you link it's pretty clear that the kind of aid Shikwati is arguing against is very different than the kind GiveDirectly does. For example:

    A portion of the corn often goes directly into the
    hands of unscrupulous politicians who then pass it
    on to their own tribe to boost their next election
    campaign. Another portion of the shipment ends up
    on the black market where the corn is dumped at
    extremely low prices. Local farmers may as well
    put down their hoes right away; no one can compete
    with the UN's World Food Program.
Shikwati objects to food dumping, which is a serious way that an activity we classify under "aid" can be harmful: it supports governmental corruption and undercuts farmers and businesses. But identifying individual poor households and transferring money to them directly, with strong monitoring and evaluation, is so different that calling them both "aid" is kind of misleading.
cbr··on Why Your Dog Can Get Vaccinated Against Lyme Disease and You Can’t (2012)
The patent for LYMErix has expired [1] and the vaccine is still considered to be safe and effective by the FDA [2]. Someone want to start producing it again?

[1] http://patft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=...

[2] http://www.jefftk.com/fda-lymerix.pdf

cbr··on FIFA Officials Arrested on Corruption Charges; Face Extradition to U.S
> 4 billion viewers from China

Something suspicious about that...

cbr··on Unix filesystems: How mv can be dangerous
> Presuming that you wouldn't invoke mv nanoseconds before creating the symlink

This kind of thinking has led to lots of security bugs around symlinks.

cbr··on What does Harvard do right?

    It doesn't "do" anything right. It just happens to
    be the oldest university in the US therefore very
    prestigious
That can't be all of it, because other similarly old ones are nowhere near as prestigious. For example the College of William and Mary is 1693 and St. John’s College is 1696, which puts them older than Yale or Princeton, but far fewer people have heard of them.

    In general, it is futile asking what extremely successful
    outliers "do" right ... it would not be replicable.
Hanson isn't trying to replicate their success (found a top-tier university), he's trying to understand it.
cbr··on Philadelphia taxi medallions fetch less than 17% of asking price
> If Philadelphia truly needs more cabs, then Uber can't be > blamed for the collapse in medallion prices since it's > clearly NOT filling a market need.

A medallion has traditionally been a long-term asset. The city sells it to you, and it's yours to keep and use, or sell along to someone else. With Uber/Lyft getting around the medallions by avoiding the need for literal street hailing, the long term prospects for medallions are much reduced. Even if we need more cabs right now, buyers may not be seeing much of a future in the market.

cbr··on “I lead a cryonics team and freeze people's brains for a living”
You don't care about anything that will outlast you?
cbr··on Join the Engineering Leisure Class
If you're willing to try a lot of free pianos and know how to recognize ones that don't need restoring you can get a good one for the cost of having it moved.
cbr··on Google Ends Page Speed Service
Yes, App Engine support is also deprecated:

     If you are using PageSpeed integration on Google App
     Engine, it will continue to function until 1st
     December 2015, after which PageSpeed optimizations
     will no-longer be applied to your app. No action is
     required on the part of App Engine users; after this
     date apps will continue to operate, except without
     the benefit of the PageSpeed optimizations.
App Engine users only need to take action if they have something on their site that depends on PageSpeed, which is very uncommon.
cbr··on Google Ends Page Speed Service
"Deprecated": we're going to stop supporting this, please move to something else.

"Turned Down": this service will be turned off on 8/3, sites that haven't moved away by then will stop working.

cbr··on Google Ends Page Speed Service
We're not planning to deprecate mod_pagespeed; it's still under active development.
cbr··on Google Ends Page Speed Service
Hoping to clear up some confusion: there are three things under the PageSpeed name.

* PageSpeed Insights: tells you how to make your website faster and gives you a score.

* PageSpeed Modules (mod_pagespeed/ngx_pagespeed): open source web server plugins that rewrite your site to load faster.

* PageSpeed Service: Google-hosted proxy version of the PageSpeed Modules.

We're only deprecating PageSpeed Service.

(I'm the TL for the open source modules.)

cbr··on Google Ends Page Speed Service
It sounds like you're talking about PageSpeed Insights? [1] That's not deprecated. This announcement is about PageSpeed Service, the Google-hosted optimizing proxy.

[1] https://developers.google.com/speed/pagespeed/insights/

cbr··on The Medical Bill Mystery
Was this in-network? Typically if something is in-network but applied to your deductible then the rate you pay is your insurance company's "allowed amount", the rate they "negotiated" with the hospital for the service, and exactly "what the insurance company would pay".
cbr··on Japan maglev train breaks world speed record again
Are you sure? I'm not finding anything about this.

The TGV record is about half the speed of sound, which means the wheel rims are bordering on supersonic, so it's not a simple thing to talk about exceeding it.

cbr··on Loading 180 tiled images with HTTP/2 vs. HTTP/1
It sounds like you're describing PageSpeed: https://developers.google.com/speed/pagespeed/module
cbr··on Show HN: Dependency-based prioritization makes HTTP/2 much faster than SPDY
Are your timings based off of a single run each for Firefox and Chrome? The web is a very noisy place; to get good timing data you need to run many tests. WebPageTest (www.webpagetest.org) can be a good way to do this.

(I work on PageSpeed, and we need to run tests like this often.)

cbr··on Facebook use linked to depressive symptoms
Looking at the details [1], it seems to be a small (N=180, then N=152) correlational study. How can we tell whether the effect is causal?

One way would be to run a randomized controlled trial, where you show some people slightly happier or sadder Facebook streams and you see how they react. This experiment has, in fact been run, [2] and what they found was that seeing happy status updates seemed to make people happier, not sadder. [3]

[1] http://guilfordjournals.com/doi/abs/10.1521/jscp.2014.33.8.7...

[2] http://www.pnas.org/content/111/24/8788.full

[3] Though what they actually measured was what people posted, not their happiness. Perhaps seeing happy things leads you to be sad but post happy things to fit in.

cbr··on The Trader Who Donates Half His Pay
"""

Obviously there was a lot more to the Civil Rights movement than a lack of malaria. But it was one of the factors that helped. How likely is someone with “body aches, headache and nausea, general weakness, and prostration” to make it to the polls, to school, or to work? How likely are they to march on Washington?

It's easier to dream big from behind a windowscreen. Easier when you're not hungry. When you're not sick. When you're not weakened from parasites and malnutrition. And for those of us who would love to see systemic change, the "one-trick ponies" may be a good way forward. """

http://www.givinggladly.com/2013/08/malaria-one-trick-ponies...

cbr··on The Trader Who Donates Half His Pay
Looking at http://www.irs.gov/publications/p542/ar02.html I see:

    Cash contributions:  A corporation must maintain a record
    of any contribution of cash, check, or other monetary
    contribution, regardless of the amount. The record can be
    a bank record, receipt, letter, or other written
    communication from the donee indicating the name of the
    organization, the date of the contribution, and the amount
    of the contribution. Keep the record of the contribution
    with the other corporate records. Do not attach the records
    to the corporation's return. For more information on cash
    contributions, see Publication 526.
So it looks like your small business could make the donation, which would then not be taxed. But I don't really know, you probably should ask a tax lawyer.
cbr··on The Trader Who Donates Half His Pay
Ben Todd, Will's co-founder, responded to Brook's response with: https://80000hours.org/2013/07/show-me-the-harm/

I like their estimate #1. For earning to give in finance to be net-negative then finance would have to be causing net harm approximately equal to all the deaths in the world.

cbr··on Google pulling China CNNIC CA from its products
> I just don't know what certificate is supposed to prove? That someone at some point in time had 100$ to spend on a cert? How's that more secure than self signed cert?

A standard domain-validated cert proves that the CA saw you as in control of the site's DNS. Because spoofing DNS for client machines is generally much easier than for servers this is a big improvement in security over a self-signed cert.

cbr··on Java is Pass-by-Value, Dammit
'a.b()' dereferences 'a' to call its 'b' method. If 'a' is null you'll get a NullPointerException.
cbr··on USB Killer
I made a list of other way usb can be evil: http://www.jefftk.com/p/malicious-usb-sticks
cbr··on Google Memorial: the small museum of projects abandoned by Google
That makes sense. That's what I'd want for my projects on Google Code if it got shut down.
cbr··on TLS in HTTP/2
Have you ever tried to browse the web without chunked transfer encoding? It's everywhere now.
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